Understanding Lidocaine Spray Side Effects. Learn about the potential side effects of lidocaine spray for topical pain relief. While effective in numbing the skin, lidocaine may have associated risks. Explore common and rare side effects to make informed decisions about your healthcare. Stay informed and proactive about your medication with our comprehensive guide. For more information visit :- https://www.onlinegenericmedicine.com/stud-5000-spray-lidocaine